ZIP code · Mammoth · Arizona · United States
ZIP code 85618 — Mammoth
ZIP code 85618 serves Mammoth, Arizona.
- Postal code
- 85618Single source Value from one source, not cross-checked.
- City
- Mammoth
- County
- Pinal FIPS 04021
- State
- Arizona
- Country
- United States
- Coordinates
- 32.7239, -110.6440 — precision precise (locality)
View on OpenStreetMap - Population
- 1,347 (ZCTA, ACS 5-year)
- Population density
- 5 / sq mi
- Land area
- 259.6 sq mi (672.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $48,814
- Per-capita income
- $23,294
- Median age
- 59.1
- Households
- 559
- Housing units
- 689
- Median home value
- $99,700
- Median gross rent
- $980 / month
- Congressional districts
- AZ-2 (also AZ-6) (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Phoenix (UTC−7, no DST)
- Area code
- 520 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 85618 with another ZIP · ZIPs within 25 miles · distance from 85618
Map of ZIP code 85618
Climate — monthly normals
Warmest month Jun (avg high 97°F), coldest Jan (avg low 38°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 64 | 71 | 79 | 88 | 97 | 97 | 94 | 90 | 80 | 69 | 59 |
| Avg low °F | 38 | 41 | 46 | 51 | 59 | 69 | 72 | 71 | 66 | 57 | 45 | 38 |
| Precip in | 1.1 | 1.1 | 0.7 | 0.4 | 0.3 | 0.3 | 2.4 | 2.8 | 1.3 | 0.6 | 0.6 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: SAN MANUEL (8.5 mi) · NOAA NCEI
Places in ZIP 85618
- 3 schools
- 1 restaurants & cafés
- 2 parks
- 1 libraries
- 1 post offices
- 2 places of worship
- 1 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page